CATALYTICALLY INACTIVE HEAT GENERATOR AND PERFECTED DEHYDRATION Russian patent published in 2011 - IPC B01J23/26 B01J23/00 B01J21/04 C07C5/333 

FIELD: process engineering.

SUBSTANCE: invention relates to perfected system of layer of catalyst for dehydration in olefins production using traditional processing technologies. Catalyst layer system comprises dehydration catalyst including the following separate components bonded together a) active component selected from metal oxide of group VI and substrate selected from aluminium oxide, alumina, aluminium oxide monohydrate, aluminium oxide trihydrate, aluminium oxide-silicon oxide, aluminium apha-oxide; b) first inert material with high density and heat capacity, not capable of heat release in cyclic nonoxidising dehydration, and c) secondary component containing heat generating material and carrier suitable for application of heat release inert material thereon. Note here that said secondary material is catalytically inert to dehydration and side reactions and generates heat when subjected to reduction or regeneration. Method of adiabatic nonoxidising dehydration comprising: preparation of above described system, conduction of cyclic process, forcing raw material flow of aliphatic hydrocarbon into catalyst layer system for dehydration, dehydration of said flow, blowing through by steam and regeneration of catalyst layer.

EFFECT: reduced temperature difference over layer.

7 cl, 8 ex, 3 tbl, 2 dwg